Vaccine 101: How the COVID-19 Vaccine Works in Your Body

COVID-19 vaccines have gone through numerous tests, with Russia being the first nation in the world to register such a vaccine. Russia’s president approved the Sputnik V vaccine after yielding positive clinical trial results in the early stages. Currently, mRNA, protein subunit, and vector vaccines are going through phase 3 clinical trials on a large scale in the U.S. 

To understand how the COVID-19 vaccine works in your body, you need to know how your immune system fights the virus.

How Your Immune System Works: Your Body’s Defense